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Combination
by gxj007 » Sun Sep 13, 2009 5:57 pm
Can anyone exlpain how to work this problem? A decorator is to select...
1
Last post by praky_rules
Sun Sep 13, 2009 7:35 pm
Sun Sep 13, 2009 7:35 pm
Angles on a Line
by hansoo » Sat Sep 12, 2009 3:32 pm
If a = (d/4), c = a - 20, and 2a = b, then what is the value of b? a)...
4
Last post by hansoo
Sun Sep 13, 2009 6:02 pm
Sun Sep 13, 2009 6:02 pm
function f
by P_mashru » Fri Jun 20, 2008 3:41 am
The function f is defined for each positive three-digit integer n by...
6
Last post by venkatsr
Sun Sep 13, 2009 4:25 pm
Sun Sep 13, 2009 4:25 pm
GMAT Numbers
by moneyman » Sun May 04, 2008 3:04 am
The sum of the first 50 positive even integrs is 2550. What is the...
9
Last post by alexdallas
Sun Sep 13, 2009 4:06 pm
Sun Sep 13, 2009 4:06 pm
PS - n reciprocal
by Xbond » Fri Sep 11, 2009 10:49 am
Hi there, Could you give me your ELEGANT, QUICK, and EFFICIENT method...
1
Last post by prindaroy
Sun Sep 13, 2009 3:32 pm
Sun Sep 13, 2009 3:32 pm
object thrown directly upward
by maihuna » Sun Sep 13, 2009 6:10 am
An object thrown directly upward is at a height of h feet after t...
2
Last post by prindaroy
Sun Sep 13, 2009 3:00 pm
Sun Sep 13, 2009 3:00 pm
Two couples and one single person are seated at random in a
by sanjib » Sun Sep 13, 2009 11:40 am
Two couples and one single person are seated at random in a row of...
2
Last post by prindaroy
Sun Sep 13, 2009 2:51 pm
Sun Sep 13, 2009 2:51 pm
Geometry
by Tame the CAT » Wed Apr 25, 2007 3:21 pm
The length of minor arc AB is twice the length of minor arc BC and...
11
Last post by DanaJ
Sun Sep 13, 2009 1:37 pm
Sun Sep 13, 2009 1:37 pm
ten gram gold and silver
by fruti_yum » Sun Sep 13, 2009 1:00 pm
A ten-gram piece of a certain alloy contains only gold and silver. If...
1
Last post by FinanceBioE
Sun Sep 13, 2009 1:30 pm
Sun Sep 13, 2009 1:30 pm
Hung up on problem
by cmr209 » Thu Sep 10, 2009 1:19 am
I'm hung up on this problem: 13 = x/3 + 105/11
2
Last post by grockit_jake
Sun Sep 13, 2009 8:57 am
Sun Sep 13, 2009 8:57 am
area of that region
by crazy4gmat » Fri Sep 11, 2009 9:12 pm
If equation encloses a certain region on the coordinate plane...
3
Last post by praky_rules
Sat Sep 12, 2009 3:31 pm
Sat Sep 12, 2009 3:31 pm
5 people run a race and
by netcaesar » Mon Sep 07, 2009 1:38 pm
5 people run a race and none of them arrives at the same time. In how...
8
Last post by prindaroy
Sat Sep 12, 2009 3:07 pm
Sat Sep 12, 2009 3:07 pm
Mixture Problem
by EMAN » Sat Sep 12, 2009 12:45 pm
How many liters of a solution that is 15 percent salt must be added...
3
Last post by truplayer256
Sat Sep 12, 2009 2:13 pm
Sat Sep 12, 2009 2:13 pm
MGMAT: exponents
by Nermal » Sat Sep 12, 2009 1:43 am
If n is a non-negative integer such that 12^n is a divisor of...
4
Last post by xcusemeplz2009
Sat Sep 12, 2009 9:57 am
Sat Sep 12, 2009 9:57 am
P & C
by crazy4gmat » Fri Sep 11, 2009 9:57 pm
In how many different ways can a group of 8 people be divided into 4...
2
Last post by praky_rules
Sat Sep 12, 2009 9:29 am
Sat Sep 12, 2009 9:29 am
semicircle
by fruti_yum » Thu Sep 03, 2009 5:19 pm
attached is the diagram! can't figure out for the life of me! The...
2
Last post by Nermal
Sat Sep 12, 2009 7:07 am
Sat Sep 12, 2009 7:07 am
OG 12 Diagnostic Square Root Question D17
by EMAN » Thu Sep 10, 2009 6:23 pm
If (Square Root of 3 - 2x) = (Square Root of 2x) + 1, then 4x^2 = A -...
5
Last post by Nermal
Sat Sep 12, 2009 1:13 am
Sat Sep 12, 2009 1:13 am
GMAT Prep Question
by okigbo » Fri Sep 11, 2009 6:41 pm
The perimeter of a certain isosceles right triangle is 16+16sq.rt2....
1
Last post by DanaJ
Sat Sep 12, 2009 12:17 am
Sat Sep 12, 2009 12:17 am
University Professors
by hansoo » Thu Sep 10, 2009 2:09 pm
At a certain university, 60% of the professors are women, and 70% of...
4
Last post by hansoo
Fri Sep 11, 2009 3:01 pm
Fri Sep 11, 2009 3:01 pm
greatest possible number of seniors
by uptowngirl92 » Sun Sep 06, 2009 4:29 pm
A certain college has a total of 400 seniors, each majoring in...
5
Last post by uptowngirl92
Fri Sep 11, 2009 2:50 pm
Fri Sep 11, 2009 2:50 pm
PS - exponent 13
by Xbond » Fri Sep 11, 2009 10:56 am
Hi there, Could you give me your ELEGANT, QUICK, and EFFICIENT method...
0
Last post by Xbond
Fri Sep 11, 2009 10:56 am
Fri Sep 11, 2009 10:56 am
Combination Type Formula Shortcut
by EMAN » Thu Sep 10, 2009 8:07 pm
There was a problem asking how many flights between a pair of 50...
4
Last post by EMAN
Fri Sep 11, 2009 8:51 am
Fri Sep 11, 2009 8:51 am
Maths problem on Function
by amritanko » Thu Sep 10, 2009 11:19 pm
Hi I have a maths problem, need a solution at the earliest as I have...
3
Last post by Ian Stewart
Fri Sep 11, 2009 2:49 am
Fri Sep 11, 2009 2:49 am
stripped sides of a square
by fightthegmat » Thu Sep 10, 2009 8:01 pm
A tailor trims 4 feet from opposite edges of a square piece of cloth,...
1
Last post by blr_gmat_prep
Thu Sep 10, 2009 10:20 pm
Thu Sep 10, 2009 10:20 pm
Divide & Conquer
by The Apprentice » Thu Sep 10, 2009 7:47 am
Tom, working alone, can paint a room in 6 hours. Peter and John,...
1
Last post by bharathh
Thu Sep 10, 2009 8:04 am
Thu Sep 10, 2009 8:04 am
OG 12 # 110 Factors
by EMAN » Wed Sep 09, 2009 6:42 pm
Hello. I'm trying to understand the explanation for this problem...
2
Last post by EMAN
Thu Sep 10, 2009 5:38 am
Thu Sep 10, 2009 5:38 am
Speed and Distance
by winnerhere » Sat Sep 05, 2009 1:23 am
During a marathon an athlete's speed reduces half by the end of every...
9
Last post by blr_gmat_prep
Thu Sep 10, 2009 2:38 am
Thu Sep 10, 2009 2:38 am
GMAT PREP QUESTION w/OA
by Stockmoose16 » Sun Oct 26, 2008 3:42 pm
Can someone please explain the following GMAT PREP question? I don't...
11
Last post by dwilliams05
Wed Sep 09, 2009 4:36 pm
Wed Sep 09, 2009 4:36 pm
COMBINATORICS
by rafodr » Wed Sep 09, 2009 1:30 pm
Q: How many different positive integers having six digits are there,...
2
Last post by praky_rules
Wed Sep 09, 2009 3:40 pm
Wed Sep 09, 2009 3:40 pm
Having Problems with these OG Questions...
by okigbo » Wed Sep 09, 2009 11:22 am
This year Henry will save a certain amount of his income and he will...
2
Last post by rafodr
Wed Sep 09, 2009 1:52 pm
Wed Sep 09, 2009 1:52 pm
Please HELP! Probability & Counting methods
by rafodr » Wed Sep 09, 2009 11:49 am
Q: There are 8 disks in a container that are numbered 23, 24, 25, 26,...
1
Last post by bharathh
Wed Sep 09, 2009 12:50 pm
Wed Sep 09, 2009 12:50 pm
Work problem- previously posted, but don't understand- Help
by prince11 » Tue Sep 08, 2009 9:49 am
Can someone please explain? It takes printer A 4 more minutes than...
4
Last post by bharathh
Tue Sep 08, 2009 10:24 pm
Tue Sep 08, 2009 10:24 pm
positive integer
by ferpape » Tue Sep 08, 2009 2:32 pm
If z is a positive integer and 75^3 is a multiple of 5^z, what is the...
2
Last post by bharathh
Tue Sep 08, 2009 10:21 pm
Tue Sep 08, 2009 10:21 pm
Rate #2
by AndreaV424 » Tue Sep 08, 2009 11:41 am
A spoke making machine can make x spokes in y minutes. How many...
1
Last post by bharathh
Tue Sep 08, 2009 11:46 am
Tue Sep 08, 2009 11:46 am
probability
by fightthegmat » Tue Sep 08, 2009 10:41 am
Six cards numbered from 1 to 6 are placed in an empty bowl. First one...
4
Last post by tom4lax
Tue Sep 08, 2009 11:16 am
Tue Sep 08, 2009 11:16 am
Value of (3^[x-1])^3.
by fightthegmat » Tue Sep 08, 2009 10:37 am
If 3^6x = 8,100, what is the value of (3^ )^3 ? A. 90 B. 30 C. 10 D....
1
Last post by bharathh
Tue Sep 08, 2009 10:57 am
Tue Sep 08, 2009 10:57 am
GMAT PREP????
by dferm » Mon Mar 24, 2008 12:38 pm
A company has two types of machines, type R and type S. Operating at...
7
Last post by vittalgmat
Tue Sep 08, 2009 10:56 am
Tue Sep 08, 2009 10:56 am
Rates
by AndreaV424 » Tue Sep 08, 2009 9:39 am
Q: A policeman chases after a thief who has a 500m head start. They...
3
Last post by bharathh
Tue Sep 08, 2009 10:01 am
Tue Sep 08, 2009 10:01 am
Adding & Subtracting Factors
by stilite » Tue Sep 08, 2009 8:11 am
I have come across this problem,... and after trying to analyze the...
4
Last post by stilite
Tue Sep 08, 2009 9:43 am
Tue Sep 08, 2009 9:43 am
Gmat prep, Circle area
by LFalken » Mon Sep 07, 2009 9:55 am
Could someone help me with this problem? It is supposed to have a...
3
Last post by LFalken
Tue Sep 08, 2009 9:28 am
Tue Sep 08, 2009 9:28 am
Fun tips-1
by syflysun » Tue Sep 08, 2009 7:53 am
between 1-100, which number has both perfect square root and perfect...
1
Last post by bharathh
Tue Sep 08, 2009 8:43 am
Tue Sep 08, 2009 8:43 am
If 75 and 48 are divided by an integer d
by netcaesar » Mon Sep 07, 2009 1:47 pm
If 75 and 48 are divided by an integer d they leave a remainder of 15...
5
Last post by Nermal
Tue Sep 08, 2009 7:32 am
Tue Sep 08, 2009 7:32 am
mean and median
by sakurle » Sat Sep 05, 2009 7:34 pm
15 homes were sold. Average price was 150k, median was 130k which of...
2
Last post by sakurle
Tue Sep 08, 2009 1:49 am
Tue Sep 08, 2009 1:49 am
Teacher's Pets (probability)
by mlaboda » Mon Sep 07, 2009 3:05 pm
A teacher will pick a group of 4 students from a group of 8 students...
4
Last post by Andrei
Tue Sep 08, 2009 1:33 am
Tue Sep 08, 2009 1:33 am
To the power 4
by sakurle » Sat Sep 05, 2009 6:22 pm
If x^4 + y^4 = 100 greatest value of x is between A. 0 and 3 B. 3 and...
8
Last post by Nermal
Tue Sep 08, 2009 12:31 am
Tue Sep 08, 2009 12:31 am
D1, D2,D3 and D4 are all different digits
by netcaesar » Mon Sep 07, 2009 2:23 pm
D1, D2,D3 and D4 are all different digits. Is 0.D1D2+0.D3D4 >1? 1)...
1
Last post by praky_rules
Mon Sep 07, 2009 4:39 pm
Mon Sep 07, 2009 4:39 pm
